Objective: Using item response theory, we sought to evaluate measurement invariance of language brokering extent and attitudes in 3 linguistic minority groups of adolescents.
Method: The sample included 765 (302 Chinese American, 327 Korean American, and 136 Mexican American; 57% females) ninth graders from immigrant families.
Results: Differential item functioning was detected for several items, and we retained items with equivalent parameters across 3 groups. The final items showed adequate internal consistency reliability and criterion validity.
Conclusion: The refined scale is cross-ethnically invariant and appropriate for use with Chinese-American, Korean-American, and Mexican-American adolescents to compare their language brokering experiences. (PsycINFO Database Record (c) 2019 APA, all rights reserved).